#time: 2021.3
# -*- coding: utf-8 -*-
# @Time    : 2021/4/14 20:55
# @Author  : luogan
# @Email   : 468640092@qq.com
# @File    : luogan.py
# @Software: PyCharm.
import random
import string
a = ''.join(random.sample(string.ascii_uppercase+string.digits, 32))  #从大写字母和数字里面随机生成N组新的字符串
